1. Properties of metals and non-metals are shown.
Brittle
Fragile
Heat and electrical insulator
Malleable
Shinny
Ductile
Sonorous
Heat and electrical conductors
High melting point
For each of the following, give a property which matches the description.
Each property can be used once, more than once, or not at all.
a. Rings like a bell when hit. …………………………………………………………..…………………………[1]
b. Can be pulled into wire. …………………………………………………………..…………..……………… [1]
c. Can be changed into different shape. ………………………………………………………………….. [1]
d. Is the opposite of dull. …………………………………………………………..……..………….……………[1]
e. Allows heat and electricity to pass through it. …………………………………………….…………[1]
2. Complete the table by writing metal or non-metal.
list of elements
metal or non-metals
silver
helium
copper
nitrogen
iron
[5]
3. Some properties and examples of acids and bases/alkalis are shown.
Sour taste
bitter taste
turns litmus paper blue
vinegar
pH less than 7
turns litmus paper red
soap
tooth paste
pH more than 7
Acid rain
Complete the table by writing the correct properties and examples of acids and
bases/alkalis.
acids
bases/alkalis
[10]
4. Connect the boxes between the mixtures and the correct separation methods.
Salt solution
Filtration
Water and sand
Magnet
Iron fillings and salt
Chromatography
Ink
Fractional distillation
Air
Evaporation
[5]